Change in weight status and development of hypertension

Emily D. Parker, Alan R. Sinaiko, Elyse O. Kharbanda, Karen L. Margolis, Matt F. Daley, Nicole K. Trower, Nancy E. Sherwood, Louise C. Greenspan, Joan C. Lo, David J. Magid, Patrick J. O'Connor

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53 Scopus citations

Abstract

OBJECTIVE: To examine the association of BMI percentile and change in BMI percentile to change in blood pressure (BP) percentile and development of hypertension (HTN). METHODS: This retrospective cohort included 101 606 subjects age 3 to 17 years from 3 health systems across the United States. Height, weight, and BPs were extracted from electronic health records, and BMI and BP percentiles were computed with the appropriate age, gender, and height charts. Mixed linear regression estimated change in BP percentile, and proportional hazards regression was used to estimate risk of incident HTN associated with BMI percentile and change in BMI percentile. RESULTS: The largest increases in BP percentile were observed among children and adolescents who became obese or maintained obesity. Over a median 3.1 years of follow-up, 0.3% of subjects developed HTN. Obese children ages 3 to 11 had twofold increased risk of developing HTN compared with healthy weight children. Obese children and adolescents had a twofold increased risk of developing HTN, and severely obese children had a more than fourfold increased risk. Compared with those who maintained a healthy weight, children and adolescents who became obese or maintained obesity had a more than threefold increased risk of incident HTN. CONCLUSIONS: We observed a strong, statistically significant association between increasing BMI percentile and increases in BP percentile, with risk of incident HTN associated primarily with obesity. The adverse impact of weight gain and obesity in this cohort over a short period underscores the early need for effective strategies for prevention of overweight and obesity.

Original languageEnglish (US)
Article numbere20151662
JournalPediatrics
Volume137
Issue number3
DOIs
StatePublished - Mar 2016

Bibliographical note

Funding Information:
Dr Parker had full access to all data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. FUNDING: Funded by the National Heart, Lung, and Blood Institute at the National Institutes of Health, R01 HL093345, ?Childhood Hypertension and Obesity: Diagnosis, Care, and Costs? study to HealthPartners Institute for Education and Research (principal investigator Patrick O?Connor). Funded by the National Institutes of Health (NIH).

Publisher Copyright:
Copyright © 2016 by the American Academy of Pediatrics.

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